Finding the Fourth Proportional to 124,717.94, 172,114.54 and 68,132.96
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Solution
The fourth proportional to 124,717.94, 172,114.54 and 68,132.96 is: 94,025.55
Step by Step Solution
- Step 1: Write the proportion equation
124,717.94 : 172,114.54 = 68,132.96 : x - Step 2: Convert to fraction form
124,717.94/172,114.54 = 68,132.96/x - Step 3: Cross multiply
124,717.94x = 172,114.54 × 68,132.96 - Step 4: Simplify right side
124,717.94x = 11,726,673,069.24 - Step 5: Solve for x
x = 11,726,673,069.24/124,717.94 - Step 6: Final answer
x = 94,025.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.